Base stocks and lubricant blends containing poly-alpha olefins

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 10/14 (2006.01) C08F 10/06 (2006.01) C08F 10/08 (2006.01) C08L 23/10 (2006.01) C08L 23/20 (2006.01) C10M 107/06 (2006.01) C10M 107/08 (2006.01) C10M 107/10 (2006.01)

Patent

CA 2713106

This disclosure relates to substantially atactic polymers of at least one of propylene, 1-butene or 1-pentene, processes for making such polymers and compositions including the polymers. The polymers may be used as lubricants or may be combined with low viscosity base stocks to form lu-bricants. The polymers may be made in the presence of a metallocene catalyst with a non-coordinating anion activator and optionally with hydrogen.

Cette invention concerne des polymères sensiblement atactiques constitués d'au moins l'un des composés suivants : le propylène, le 1-butène ou le 1-pentène; des procédés de fabrication de ces polymères; et des compositions comprenant ces polymères. Les polymères peuvent être utilisés comme lubrifiants ou peuvent être associés avec des huiles de base à faible viscosité pour former des lubrifiants. Les polymères peuvent être fabriqués en présence d'un catalyseur métallocène avec un activateur d'anions sans interaction et éventuellement avec de l'hydrogène.

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